Sports boot



FIG. 1 is a right-hand side view of a sports boot showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-hand side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a plan view thereof; and,

FIG. 6 is an underside view thereof. 

The ornamental design for a sports boot, as shown and described. 